720 Submerged Probe Module User Manual
Contents
1. H H H H H H H H H H H H H H HH H HHHH H HHHH H H HHHH H HHHH ESS TE E Ge ie ee e 12 00 16 00 20 00 24 cfs cfs cfs cfs cfs DATA DATA DATA DATA DATA DATA DATA DATA TL HH HH L HH HH L Hu HH L HH HH L HH HH L HM HH L v 00 SAMPLER ID 11343009 SUBMERGED PROBE XXX KAKA X COMBINED RESULTS RKRRKKK SITE FACTORY 15 25 14 JUN 02 638324458 Program Started at 08 41 FR 14 JUN 02 Nominal Sample Volume SAMPLE BOTTLE TIME 11 11 HURN nat HA Un bK Ha 1 1 08 1 2 08 1 3 09 1 4 09 1 5 09 1 6 09 1 7 10 1 8 10 1 9 10 1 10 10 I 11 1 12 11 1 13 11 1 14 Il 1 15 12 1 16 12 1 17 12 1 18 12 1 19 13 1 20 13 1 21 13 1 22 13 1 23 14 1 24 14 41 56 EI 26 41 56 11 26 41 56 Pu RN POF O HN Ha N oO L LQ N n n ON GN Ln LH LQ LU LJ Q K KM KM KM KM KM KM KM KM KM K 200 ml FLOW RATE cfs 495 576 666 tt 113 798 798 4798 754 773 798 728 728 728 728 273 239 651 651 651 651 651 404 425 E gt GG GG GGG G GOGO G GO GO G G O G G 000000 016941 034698 052914 071707 090520 109314 128112 146911 165698 184556 206933 232024 257108 282171 317318 352755 396903 441689 486476 531238 575999 611500 634426 TOTAL FLOW Mgal 720 Submerged Probe Module Section 2 Programming the Module SAMPLE2. ziali OU SURE NO DATA SET ABCDEFGHIJKLMNOPQRST SAVE CHANGES UVWXYZ amp 0123456789 YES NO BACKUP DONE Manning ROUND PIPE ROUND PIPE U CHANNEL SLOPES _ ROUND PIPE RECTANGULAR CHANNEL E DIAMETER _ ___ft TRAPEZOIDAL CHANNEL U CHANNEL SLOPE _ U CHANNEL ROUGHNESS _ ___ WIDTH _ ___ft RECTANGULAR CHANNEL RECTANGULAR CHANNEL SLOPE u ROUGHNESS _ ___ WIDTH _ ___ft Continued in Figure 2 3 or 2 5 TRAPEZOIDAL CHANNEL TRAPEZOIDAL CHANNEL SLOPE _ TOP WIDTH _ ___ft ft ROUGHNESS _ ___ BOTTOM _ HEIGHT __ __ft Figure 2 4 Sampler Programming 720 Module Set Up Screens 2 5 720 Submerged Probe Module Section 2 Programming the Module MODULE INSERTED DOWNLOAD DATA NOW OR LOSE ALL DATA DONE 6712 SAMPLER EXTENDED PROGRAMMING For HELP at any screen press key RUN EXTENDED 1 PROGRAM VIEW REPORT OTHER FUNCTIONS N PROGRAM NAME EXTENDED 1 SITE DESCRIPTION FACTORY UNITS SELECTED LENGTH ft UNITS SELECTED FLOW RATE cfs FLOW VOLUME Mgal SUBMERGED PROBE WEIR 90 V NOTCH CURRENT LEVEL IS ft __ MINUTE DATA INTERVAL This screen appears only when a module has been switched or if the module was unplugged while the sampler was powered Note To program the module or run a program that requires a module you must plug in the module before turning on the 6712 controller SELECT UNITS FOR LENGTH ft m SELECT UNI
3. 0 0027 m C 4 0 to 10 0 ft 0 007 ft F 1 22 to 3 05 m 0 0038 m C Maximum error over compensated temperature range per degree of tem perature change Sensor Dimensions Diameter 0 875 inches 2 2 cm Length 5 5 inches 14 0 cm without nose 9 5 inches 24 1 cm with standard nose Frontal Area 0 601 in 3 88 cm Amplifier Box Watertight enclosure Cable Length 25 feet 7 6 m from sensor to amplifier box Weight 3 Ibs 1 4 kg Entire probe and cable Materials Probe Body CPVC Transducer Diaphragm Type 316 stainless steel Cable PVC B 2 720 Submerged Probe Module Appendix C Material Safety Data Sheets C 1 Overview This appendix provides Material Safety Data Sheets for the des iccant used in the 720 Module Teledyne Isco cannot guarantee the accuracy of the data Specific questions regarding the use and handling of the products should be directed to the manufacturer listed on the MSDS C 1 MATERIAL SAFETY DATA SHEET Health INERAA a z k gt GLOBAL CORP en Section 1 CHEMICAL PRODUCT amp COMPANY IDENTIFICATION Product Name sSORB Supplier Interra Global Corporation Chemical Name Yellow Indicating Silica Gel 800 Busse Hwy Suite 101 Synonyms Orange Indicating Silica Gel Park Ridge IL 60068 USA Emergency Assistance USA 1 847 292 8600 Telephone 1 847 292 8600 Outside USA 1 847 292 8600 Fax 1 847 292 8601 Section 2 COMPOSITION amp IN
4. 3 2 1 Attaching the Nose Section 00 c ccc eee nee 3 3 Section 4 Probe Installation Methods 4 1 General Mounting Considerations 0 0 eens 4 1 4 2 Circular Channels 0 cc ccc eee ee ene ence nent T 4 2 4 2 1 Spring Ringst n nenn ee het eke A 4 2 4 2 2 Scissors Rings un nn dena Banane baer eee BELIEF 4 5 4 3 Other Mounting Techniques 0 cece eee een 4 6 4 3 1 Rectangular and Trapezoidal Channels 0 02000 ee ee eens 4 6 4 3 2 Stilling Wells or Streams with Very Low Velocity 00 4 7 4 3 3 Securing Probe with a Weighted Plate 0 0c ce eee eee eee 4 7 4 3 4 Weirs and Flumes 0 cece eect eee nen ences 4 7 4 4 Completing the Probe Installation 0 0 cece eee eens 4 9 Section 5 Module and Probe Maintenance 5 1 Cleaning the Submerged Probe 0 0c ee cece eee eee eens 5 1 5 2 Desiccant Reactivation 0 0 cece ee nee ence e ees 5 2 5 3 Flash Memory and Software Upgrades 0 0 0 cece eee eens 5 3 720 Submerged Probe Module Table of Contents Appendix A Replacement Parts List Appendix B Technical Specifications Appendix C Material Safety Data Sheets vi C 1 Overview end ead Gab ced C 1 List of Figures 1 1 720 Module mounted on sampler 0 cece eee teen eee 1 1 1 2 Quick Disconnect Box Cover Removed 0 cece eee e eee ene 1 4 2 1 Summary Report ise irc E SE pe ee Sad poe dd ER ade gees tat ee 2 2 2
5. the probe Although the submerged probe will survive normal handling and installation treat it with reasonable care The vent tube inside the cable must remain open Do not kink the cable overtighten the plastic ties while securing the cable or allow any moisture to enter the vent via the connector 720 Submerged Probe Module Section 2 Programming the Module 2 1 Module Screens 2 2 Programmed Enable 2 3 Data Storage 2 3 1 Recovering Module Data When the controller is configured with the module it adds the necessary screens for programming The screens appear on the following pages in Figures 2 3 2 4 and 2 5 These figures outline the steps for module programming and calibration For 6700 or 6712 programming and general programming information see the sampler manual M Note An asterisk appears next to a reading if the module was unable to take a reading If an appears the reading displayed is the last available reading See Table 2 1 for flow conversion types When the 720 Module is installed additional sampler enable options are available If programmed for LEVEL ONLY the option will be LEVEL If programmed for FLOW METER the options will be LEVEL and FLOW For more information about programmed enables see Sampler Enable in the sampler manual When the sampler is configured for use with the module a memory partition is reserved The module readings are stored in this sampler memory partition For m
6. 2 1 Spring Rings substances likely to cover the probe are somewhat porous which still allows the hydrostatic pressure of the flow stream over the probe to reach the transducer Consult your Isco Mounting Rings Installation and Oper ation Guide for detailed hardware information The following sections describe sensor installation using the two options available for mounting sensors in pipes or round bot tomed flow streams For pipes up to 15 38 1 cm in diameter stainless steel self expanding mounting rings Spring Rings are available For pipes larger than 15 in diameter Teledyne Isco offers the Scissors Rings Universal Mounting Rings To install a spring ring you compress the ring slip it inside the pipe and then allow it to spring out to contact the inside diameter of the pipe The inherent outward spring force of the ring firmly secures it in place A typical self expanding mounting ring with a probe mounted on it is shown in Figure 4 1 These mounting rings are available for use in pipes with inside diameters of 6 15 2 cm 8 20 3 cm 10 25 4 cm 12 30 5 cm and 15 38 1 cm The Teledyne Isco part numbers for the various size mounting rings available are listed in Appendix B These part numbers include not only the ring but also the mis cellaneous hardware necessary to mount the sensor on the ring N CAUTION Always wear leather gloves when handling the rings either type The metal is finished but
7. HP e x H Q flow H head a b c amp d entered values Data Points User developed tables for level to flow 3 to 50 data points rate Manning Equation Round Pipe Slope Roughness Diameter U Channel Pipe Slope Roughness Width Rectangular Pipe Slope Roughness Width Trapezoidal Slope Roughness Bottom Width Top Width 2 5 Alternative Flow Measurement Systems Because of the characteristics of submerged probe flow mea surement there may be some installations where the submerged probe method is either unreliable or inaccurate In these instances it is worthwhile to consider using an alternate method of flow measurement In addition to the 720 Module Teledyne Isco offers three other types of plug and play flow modules in the 700 Series the 730 Bubbler Module the 710 Ultrasonic Module and the 750 Area Velocity Module Information about these flow modules is available from the factory Call for more information or visit our Web site at www isco com 2 7 720 Submerged Probe Module Section 2 Programming the Module 2 8 720 Submerged Probe Module Section 3 3 1 Principles of Submerged Probe Operation About the Submerged Probe The submerged probe contains an internal differential pressure transducer The transducer detects pressure with a stainless steel diaphragm that transfers pressure to a piezo resistive disk The outer face of the diaphragm is exposed to the pressure of the flow stream thr
8. enhances sampler operation by providing flow pacing and additional sampler enable conditions The sampler also displays the real time level flow rate and total flow provided by the module The sampler records the data for later analysis The module uses a differential pressure transducer to measure level The submerged probe is usually installed with some type of primary measuring device such as a weir or flume Figure 1 1 720 Module mounted on sampler 1 1 720 Submerged Probe Module Section 1 Installation 1 2 Connecting to the To install the module Sampler 1 Turn the sampler off 2 Remove the connector cap in the module bay and move it aside 3 Slide the module into the bay 4 Gently push against the module to be sure the connector is fully seated To remove the module 1 Turn the sampler off 2 Press the silver button on top of the module and pull the module from the bay 3 Replace the connector cap in the module bay N WARNING The module has not been approved for use in hazardous locations as defined by the National Electrical Code Installation of this module in a hazardous location may cause fire or explosion resulting in death personal injury or property damage Before installing any device in a dangerous location review safety precautions in your sampler manual Check applicable guidelines codes and regulations of federal state city and county agencies 1 3 Installation Checklist Installa
9. for surronding fire INTERRA Global Corporation msds sSORB p1 720 Submerged Probe Module Appendix C Material Safety Data Sheets MATERIAL SAFETY DATA SHEET Section 6 ACCIDENTAL RELEASE MEASURES Small Spill Use appropriate tools to put the spilled solid in a convenient waste disposal container Use respiratory protection and eye protection Large Spill Use a shovel to put the material into a convenient waste disposal container Vacuuming or wet sweeping may be used to avoid dust dispersal Use respiratory protection and eye protection Section 7 HANDLING amp STORAGE Storage Keep container tightly closed Suitable for any general chemical storage area Containers of this material may be hazardous when empty since they retain product residues dust solids observe all warnings and precautions listed for the product Section 8 EXPOSURE CONTROLS PERSONAL PROTECTION Engineering Controls Use process enclosures local exhaust ventilation or other engineering controls to keep airborne levels below recommended exposure limits If user operations generate dust fume or mist use ventilation to keep exposure to airborne contaminants below the exposure limit Personal Protection Safety glasses Lab coat Respirator NIOSH Approved Gloves Section 9 PHYSICAL amp CHEMICAL PROPERTIES Physical state Solid Boling Point 2230C 4046F Color Yellow Orange Dry Green Saturatec Melting Point 1610C 2930F Odor Odorless Vapor Pres
10. of the stream and secure it in position by placing the ties through the holes in the mounting ring and then locking them around the cable as shown To prevent debris from catching on the cable it is important to attach the cable to the mounting ring so it offers as little resistance to the flow as possible 4 3 720 Submerged Probe Module Section 4 Probe Installation Methods Figure 4 2 Spring Ring Preparation Figure 4 3 Mounting Ring in a Round Pipe 4 4 N CAUTION Make sure the sensor cable is securely fastened along the back downstream edge of the ring Otherwise the sensor may provide inaccurate level readings under conditions of high velocity Do not overtighten the plastic cable ties they should be tight ened just enough to secure the cable in place without greatly indenting the cable Overtightening the plastic ties may col lapse the reference tube in the cable blocking it 4 2 2 Scissors Rings 720 Submerged Probe Module Section 4 Probe Installation Methods The spring ring may need anchoring Under conditions of high velocity greater than 5 feet per second or 1 5 meters per second the ring may not have sufficient outward spring force to maintain a tight fit inside the pipe The ring may start to lift off the bottom of the pipe in a waving fashion or may even be carried downstream This problem is more prevalent in the larger diameter pipes 10 12 and 15 and in pipes with smooth insid
11. system you must also order a Street Level Mounting Ring Street Level Mounting Ring for 6 diameter pipe 60 3204 014 Street Level Mounting Ring for 8 diameter pipe 60 3204 015 A 1 720 Submerged Probe Module Appendix A Replacement Parts List Table A 1 Replacement Parts and Accessories Continued Part Description Part Number Street Level Mounting Ring for 10 diameter pipe 60 3204 016 Street Level Mounting Ring for 12 diameter pipe 60 3204 017 Street Level Mounting Ring for 15 diameter pipe 60 3204 018 Sensor Mounting Plate includes plastic ties and instructions 60 3253 077 Desiccant Cartridge Assy 60 9004 105 1 Ib Refill Bottle of Desiccant 60 2004 233 Quick Disconnect Box 60 3224 003 Standard Nose Section 60 2503 086 Slanted Nose Section 60 2503 097 Flume Probe Cap 60 2503 105 A 2 720 Submerged Probe Module Appendix B Technical Specifications The following tables contain information covering the technical specifications of the 720 Module and Submerged Probes including operating and storage temperatures physical dimen sions and weights operating method and ranges and memory capacity General Notes 1 All weights may vary 0 2 lb 0 1 kg 2 Alllengths may vary 0 23 inch 0 64 cm Table B 1 Technical Specifications for the 720 Submerged Probe Module Operating Temperature 0 to 140 F 18 to 60 C Storage Tem
12. 2 Combined Report A and Settings Report B 0 0 0 eee 2 3 2 3 Sampler Programming 720 Module Screens 0 0 c cee e eens 2 4 2 4 Sampler Programming 720 Module Set Up Screens 0002 eae 2 5 2 5 Sampler Programming 720 Module Quick View Screens 2 6 3 1 Submerged Probe Dimensions 0 0 e eee eee eee eens 3 1 3 2 Alignment of Grounding Point 0 0 ccc eee eens 3 3 4 1 Sensor Installed on a Spring Ring een 4 3 4 2 Spring Ring Preparation 0 0 cee eet n een nes 4 4 4 3 Mounting Ring in a Round Pipe 0 cece eee eens 4 4 4 4 Universal Mounting Ring Adjustment 00 cece eee nes 4 6 4 5 Isco Rectangular Mounting Plate 0 0 cece eee ees 4 6 4 6 Typical Primary Device Installations 00 cee eee eee eee 4 8 5 1 Grounding Point and Mounting Hole Alignment nerusne 5 2 List of Tables 2 1 Flow Conversion Methods 0 ccc eee cece eee ene eens 2 7 4 1 Locating the Head Measuring Point 0 cece eee 4 7 A 1 Replacement Parts and Accessories 00 ccc cece nen eee n eee A 1 B 1 Technical Specifications for the 720 Submerged Probe Module B 1 B 2 Technical Specifications for the Submerged Probe 0000 e eee B 1 720 Submerged Probe Module Section 1 Installation 1 1 Introduction The 720 Submerged Probe Module is one of Teledyne Isco s inter changeable modules for the Avalanche and 6700 Series Sam plers The module
13. 720 Submerged Probe Module Installation and Operation Guide u TELEDYNE ISCO Everywhereyoulook Part 60 9003 368 Copyright 1996 All rights reserved Teledyne Isco Revision G October 2013 Foreword This instruction manual is designed to help you gain a thorough understanding of the operation of the equipment Teledyne Isco recommends that you read this manual completely before placing the equipment in service Although Teledyne Isco designs reliability into all equipment there is always the possibility of a malfunction This manual may help in diagnosing and repairing the malfunction If a problem persists call or e mail the Teledyne Isco Technical Service Department for assistance Simple difficulties can often be diagnosed over the phone If it is necessary to return the equipment to the factory for service please follow the shipping instructions provided by the Customer Service Department including the use of the Return Authorization Number specified Be sure to include a note describing the malfunction This will aid in the prompt repair and return of the equipment Teledyne Isco welcomes suggestions that would improve the information presented in this manual or enhance the operation of the equipment itself Teledyne Isco is continually improving its products and reserves the right to change product specifications replacement parts schematics and instructions without notice Contact Information Customer S
14. FORMATION ON INGREDIENTS CAS Numbers 1343 98 2 77 09 8 Molecular Formula SiO nH O C 9H 0 Section 3 HAZARDS IDENTIFICATION Potential Health Effects Inhalation May cause dryness and irritation to mucous membranes nose and throat Symptoms may include coughing sore throat and wheezing Ingestion No adverse effects expected Skin Contact May cause irritation with dryness and abrasion Eye Contact May cause irritation redness and pain Chronic Exposure Repeated exposure may cause symptoms similar to those listed for acute effects Synthetic amorphous silica does not produce silicosis Section 4 FIRST AID MEASURES Eye Contact Check for and remove any contact lenses In case of contact immediately flush eyes wth plenty of water for at least 15 minutes Get medical attention if irritation occurs Skin Contact Wash with soap and water Cover the irritated skin with an emollient Get medical attention if irritation develops Ingestion Give several glasses of water to drink to dilute If large amounts were swallowed get medical advice Inhalation If inhaled remove to fresh air If breathing is difficult get medical attention Section 5 FIRE amp EXPLOSION DATA Fire Not considered to be a fire hazard Explosion Not considered to be an explosion hazard Fire Fighting Media and Instructions Use any means suitable for extinguishing surronding fire Special Remarks Use protective clothing and breathing equipment appropriate
15. N CAUTION Desiccant may produce irritating fumes when heated Observe the following precautions Use a vented oven in a well ventilated room Do not remain in the room while the regeneration is taking place Use the recommended temperature Avoid heating the desic cant at higher than recommended temperatures 5 3 Flash Memory and Software Upgrades 720 Submerged Probe Module Section 5 Module and Probe Maintenance The desiccant s ability to remove moisture may lessen with each saturation reactivation cycle resulting in a need for more fre quent service After several cycles the desiccant may no longer be effective as it saturates too quickly At this point replace the desiccant The sponge filters in the end caps keep small pieces of the des iccant material from falling out of the cartridge When the filters become soiled wash with dish soap and water then allow to dry The module has Flash memory to store its software With Flash technology you can upgrade your module s software without sending it back to the factory or replacing a chip To update the module software install the module in a 6700 series sampler Then connect the sampler power source and turn the sampler on Connect the sampler to a computer and follow the instructions received with your Flash Update program 5 3 720 Submerged Probe Module Section 5 Module and Probe Maintenance 5 4 720 Submerged Probe Module Appendix A Replacement
16. Parts List The following table contains information about replacement parts and accessories Replacement parts and accessories can be purchased by contacting Teledyne Isco s Customer Service Department Table A 1 Replacement Parts and Accessories Part Description Part Number 720 Submerged Probe Module 60 9004 030 Submerged Probe 10 range with 25 cable 60 3224 002 720 Submerged Probe Instruction Manual 60 9003 368 Sensor Carrier 60 3204 005 Isco Open Channel Flow Measurement Handbook 60 3003 041 Spring Ring 6 Dia 68 3200 007 Spring Ring 8 Dia 68 3200 008 Spring Ring 10 Dia 68 3200 009 Spring Ring 12 Dia 68 3200 010 Spring Ring 15 Dia 68 3200 011 Each spring ring includes plastic ties to fasten the probe cable Scissors Ring for 16 23 Pipe 68 3000 042 Scissors Ring for 16 36 Pipe 68 3000 043 Scissors Ring for 39 43 Pipe 68 3000 044 Scissors Ring for 45 49 Pipe 68 3000 045 Scissors Ring for 58 to 62 Pipe 68 3000 046 Scissors Ring for 72 Pipe 68 3000 047 Scissors Ring for 16 80 Pipe 68 3000 048 Each scissors ring includes a base section scissors mechanism extensions plastic ties and instructions Base Section Includes plastic ties and instructions 60 3004 169 Scissors Mechanism 60 3004 170 Street Level Installation System Multi Section Pole 60 3204 012 Includes instruction manual To complete your
17. R ID 11343009 15 25 15 SEP 03 Xkkkkkk PROGRAM SETTINGS 4k RKKKKKKEKE SITE DESCRIPTION FACTORY N UNITS SELECTED LENGTH ft UNITS SELECTED FLOW RATE cfs FLOW VOLUME Mgal SUBMERGED PROBE WEIR 1 MINUTE DATA INTERVAL 24 1000 ml BTLS 10 ft SUCTION LINE PACING TIME EVERY 0 HOURS 15 MINUTES DISTRIBUTION SEQUENTIAL 200 ml SAMPLES 5 MINUTE DELAY TO FIRST SAMPLE RUN PROGRAM ONCE Figure 2 2 Combined Report A and Settings Report B 2 3 720 Submerged Probe Module Section 2 Programming the Module MODULE INSERTED This screen appears only when a module has been DOWNLAD DATA NOW switched or if the module was unplugged while OR LOSE ALL DATA the sampler was powered DONE Standard Extended 6712 SAMPLER 6712 SAMPLER STANDARD PROGRAMMING EXTENDED PROGRAMMING For HELP at any For HELP at any screen press key screen press key RUN RUN EXTENDED 1 PROGRAM PROGRAM VIEW REPORT VIEW REPORT OTHER FUNCTIONS OTHER FUNCTIONS See sampler manual SITE DESCRIPTION PROGRAM NAME See FACTORY EXTENDED 1 sampler CHANGE SITE DESCRIPTION manual YES NO FACTORY See Figure 2 5 Quick View Screens N E SELECT UNITS FOR FLOW RATE cfs gps gpm Mgd 5 Ips m3s m3h m3d Note To program the module or run a program that requires SELECT UNITS FOR a module you must plug in PROGRAM MODULE FLOW VOLUME th dule bef t 1 YES NO cf gal Mgal e module petore urning m3 lit on the 6712
18. TS FOR FLOW RATE cfs gps gpm Mgd Ips m3s m3h m3d SELECT UNITS FOR FLOW VOLUME cf gal Mgal m3 lit See Figure 2 5 Module Set Up Screens CURRENT LEVEL IS ER BER ADJUST LEVEL TO ei DATA STORAGE INTERVAL IN MINUTES 1 5 10 15 30 Continue with the sampler programming sequence see sampler manual J ft Only appears when adjustment differs from current reading by more than 0 5 ft ARE YOU SURE YES NO INTERVAL CHANGED DOWNLOAD DATA NOW OR LOSE ALL DATA DONE Only appears when data storage interval is changed Figure 2 5 Sampler Programming 720 Module Quick View Screens 2 6 2 4 Flow Conversions 720 Submerged Probe Module Section 2 Programming the Module The following table contains programming information for each conversion method Table 2 1 Flow Conversion Methods Conversion Type Device Formula or Table Size or Parameters Weir V Notch Weir 22 5 30 45 60 90 120 degrees Rectangular Weir with End Crest length Contractions Rectangular Weir without End Crest length Contractions Cipoletti Weir Crest length Flume Palmer Bowlus Flume 4 6 8 10 12 15 18 21 24 27 30 48 inches Parshall Flume 1 2 3 6 9 inches 1 1 5 2 3 4 5 6 8 10 12 feet Trapezoidal Flume Large 60 degree V 2 inch 45 degree WSC 12 inch 45 degree SRCRC H Flume 0 5 0 75 1 1 5 2 2 5 3 4 5 feet Equation Q a x
19. al Fire Protection Association U S A Health 1 Flammability 0 Reactivity 0 Section 16 OTHER INFORMATION References Not available Other Special Considerations Not available Created 04 03 2009 11 20 AM Last Updated 08 20 2012 12 15 PM The purpose of this Safety Data Sheet is to describe the products in terms of their safety requirements The information above is believed to be accurat and represents the bet information currently available to us However we make no warrant of merchantability or any other warranty express or implied with respect ot such information and we assume no liability resulting from its use Users should make their own investigations to determine the suitability of the informtion for their particular purposes In no event shal Interra Global Corporation be liable for an claims losses or damages of any third party or for lost profits or any special indirect incidental consequential or exemplary damages howsoever arising even if Interra Global Corporation has been advised of the possibiity of such damages INTERRA Global Corporation msds sSORB p3 Teledyne Isco One Year Limited Factory Service Warranty This warranty exclusively covers Teledyne Isco instruments providing a one year limited warranty covering parts and labor Any instrument that fails during the warranty period due to faulty parts or workmanship will be repaired at the factory at no charge to the customer Teledyne Isco s
20. arply bent or otherwise pinched The probe cable should be handled and mounted with care Also if there is any appreciable distance between the point where the probe cable leaves the mounting apparatus and the location of the flow meter be sure to attach the cable to the flow stream wall to prevent it from vibrating moving around tangling or possibly collecting debris N CAUTION Under no circumstances should you leave any extra length of sensor cable dangling freely in the flow stream where it could trap debris or become tangled Use gloves and eye protection when assembling and installing the rings in a pipe Though deburred the edges of the stain less steel can cut if improperly handled Please read the infor mation on how best to install this device Observe general safety procedures when entering any man hole See General Safety Procedures in the back of the man ual for more information on general hazards and necessary precautions 4 9 720 Submerged Probe Module Section 4 Probe Installation Methods 4 10 720 Submerged Probe Module Section 5 Module and Probe Maintenance 5 1 Cleaning the Submerged Probe The 720 Module and Submerged Probe have no user serviceable parts They are completely sealed to protect the internal compo nents If you think the module or probe requires repair contact Teledyne Isco s Customer Service Department The Submerged Probe will provide reliable readings over a long ser
21. cause its shape overcomes hydraulic problems that develop in these flow streams At veloc ities exceeding 5 feet per second 1 5 meters per second localized low pressure areas form near the submerged probe which can result in erroneous level readings The length of the nose section 3 87 inches or 9 84 cm minimizes low pressure areas by allowing the flow stream to stabilize before it reaches the probe s entrance ports Slanted Nose Section Under certain conditions low flow rates in debris laden small sewers for example the submerged probe may catch and retain the debris obstructing the flow stream and causing erroneous level readings To avoid this problem use the slanted nose section This nose section has a slanted leading edge that tends to shed debris more readily than the standard nose section Use the slanted nose section with caution however Under condi tions of low flow and high velocity the slanted nose section may induce a hydraulic jump in the flow stream that can cause erro neous level readings Flume Cap The flume cap is a small blunt cap that replaces the nose section Most flume manufacturers can supply flumes with a small cavity to accept an Isco probe The probe cap pro tects the transducer while minimizing the total length 720 Submerged Probe Module Section 3 About the Submerged Probe 3 2 1 Attaching the Nose After cleaning reinstall the nose section and tighten the screws Section The moun
22. controller See Figure 2 4 Module Set Up Screens 3 NEW MODULE SETUP This screen appears DOWNLOAD DATA NOW only when a selection is changed OR LOSE ALL DATA DONE zer ARE YOU SURE when the adjustment differs from the ADJUST LEVEL TO YES NO current reading by more than 0 5 ft ee Tt CURRENT LEVEL IS ___ ft This screen appears only Continue with sampler programming sequence see sampler manual Figure 2 3 Sampler Programming 720 Module Screens 2 4 720 Submerged Probe Module Section 2 Programming the Module Continued from Figure 2 3 or 2 5 V NOTCH V NOTCH WEIR ANGLE RECTANGULAR 120 90 60 CIPOLLETTI 45 30 22 5 MODE OF OPERATION FLOWMETER LEVEL ONLY END CONTRACTIONS ON RECTANGULAR WEIR YES NO WEIR FLUME EQUATION DATA POINTS MANNING ENTER CREST LENGTH PALMER BOWLUS PALMER BOWLUS SIZE PARSHALL 4 6 8 10 TRAPEZOIDAL 12 15 18 217 H 24 27 30 48 EDIT DATA POINTS CLEAR DATA SET SELECT NEW SET CHANGE NAME PARSHALL SIZE 1 2 3 6 gr 1 9 1 5 2 3 4 5 6 8 10 12 TRAPEZOIDAL SIZE PLEASE WAIT 2 45 WSC SORTING DATA 12 45 SRCRC LG 60 V CLEAR DATA SET H FLUME SIZE ARE YOU SURE 0 5 0 75 1 0 ADJUST LEVEL TO YES NO 1 5 2 0 2 5 ft 3 0 4 5 DATA SET 1 DATA SET 2 INVALID ENTRY Only in the case of DATA SET 3 DUPLICATE DEPTH step repetition DATA SET 4
23. d which if not avoided will result in death or serious injury 720 Submerged Probe Module Safety Hazard Symbols Warnings and Cautions The equipment and this manual use symbols used to warn of hazards The symbols are explained below Hazard Symbols The exclamation point within the triangle is a warning sign alerting you of important instructions in the instrument s technical reference manual The lightning flash and arrowhead within the triangle is a warning sign alert ing you of dangerous voltage inside the product Pinch point These symbols warn you that your fingers or hands will be seri ously injured if you place them between the moving parts of the mechanism near these symbols Ce symbole signale l existence d instructions importantes relatives au produit dans ce manuel Ce symbole signale la pr sence d un danger d lectocution Risque de pincement Ces symboles vous avertit que les mains ou les doigts seront bless s s rieusement si vous les mettez entre les l ments en mouvement du m canisme pr s de ces symboles Warnungen und Vorsichtshinweise Das Ausrufezeichen in Dreieck ist ein Warnzeichen das Sie darauf aufmerksam macht daB wichtige Anleitungen zu diesem Handbuch geh ren Der gepfeilte Blitz im Dreieck ist ein Warnzeichen das Sei vor gef hrlichen Spannungen im Inneren des Produkts warnt Vorsicht Quetschgefahr Dieses Symbol warnt vor einer u
24. e nose section in place and pull the nose section straight out of the probe body 2 Gently flush the probe cavity with water to remove any solid materials 5 1 720 Submerged Probe Module Section 5 Module and Probe Maintenance Warning Disk N CAUTION Do not remove the warning disk at any time The stainless steel diaphragm on the face of the probe s pressure transducer is extremely vulnerable to pressure Damage to the diaphragm permanently disables the probe 3 Reinstall the nose section and tighten the two screws Align the large mounting hole with the grounding point Figure 5 1 Mounting Hole Countersunk Side Grounding Point Figure 5 1 Grounding Point and Mounting Hole Alignment 5 2 Desiccant 5 2 Reactivation Desiccant Cartridge A cartridge on the side of the module dries the air inside the module and probe reference line It contains a silica gel desiccant with a color indicator that changes from blue to pink or yellow to green when saturated Pink or green desiccant cannot remove moisture and must be replaced or reactivated To reactivate the desiccant pour the desiccant out of the car tridge into a heat resistant container Never heat the plastic car tridge it will melt Heat the silica gel in a vented convection oven at 212 to 350 F 100 to 175 C for two to three hours or until the blue or yellow color returns Allow the desiccant to cool and then refill the cartridge
25. e surfaces such as plastic pipes If any of these conditions are present or if movement of the mounting ring is detected or suspected you must anchor the ring in place You can do this by setting screws through the ring into the pipe or by other appropriate means If there is a problem with the smaller diameter rings it may be suf ficient to simply increase the outward spring force of the ring by bending it into a less round configuration For pipes larger than 15 in diameter Teledyne Isco offers the adjustable Scissors Ring also known as the Universal Mounting Ring This device consists of two or more metal strips that lock together with tabs to form a single assembly There is a base section where the sensors are mounted one or more extension sections usually and a scissors section at the top that expands the entire assembly and tightens it inside the pipe The scissors mechanism includes a long screw that increases the width as it is tightened The assembled rings fit pipe diameters from 16 to 80 Secure the unit in place by tightening the scissors mechanism with a 8 socket wrench or other suitable tool Ring sections are 040 thick half hard 301 stainless steel sheet All other parts are also stainless steel except for the plastic cable ties in the hardware kit Each extension 1 2 3 and 4 adds 9 0 21 5 31 5 or 41 5 respectively to the circumference of the ring Used alone the base section fits pipe that is a
26. embly Parshall Flume Round Pipe Probe Mounted Toa in Recess Contact the factory or your Teledyne Isco Representative for additional information about the Street Level Installation system Figure 4 6 Typical Primary Device Installations 4 4 Completing the Probe Installation 720 Submerged Probe Module Section 4 Probe Installation Methods Mounting hardware may have to be fabricated locally to allow the level sensor to be mounted at the correct location in the primary device The only requirements for custom mounting hardware are s The probe must be securely attached to the side or bottom of the flow stream s The cable must be tied down and led out of the flow stream in an orderly manner e The hardware be made from corrosion resistant materials It should be noted that the mounting rings may be used to install the probe in rectangular channels by simply putting right angle bends in them at the appropriate locations It should be noted that certain flume manufacturers produce flumes with built in cavities designed specifically for use with Isco submerged probe level sensors Typically these are Parshall or Palmer Bowlus flumes Contact the manufacturer for details on these flumes The submerged probe installation is finished by coiling any excess sensor cable and securing it using cable clamps or other means The reference tube inside the cable can be restricted or blocked if the cable is kinked sh
27. ervice Phone 800 228 4373 USA Canada Mexico 402 464 0231 Outside North America Fax 402 465 3022 Email IscoCSR teledyne com Technical Support Phone Toll Free 866 298 6174 Samplers and Flow Meters Toll Free 800 775 2965 Syringe Pumps and Liquid Chromatography Email IscoService teledyne com Return equipment to 4700 Superior Street Lincoln NE 68504 1398 Other Correspondence Mail to P O Box 82531 Lincoln NE 68501 2531 Email IscoInfo teledyne com Revised September 2012 General Warnings Hazard Severity Levels 720 Submerged Probe Module Safety This product is often installed in confined spaces Some examples of confined spaces are manholes pipelines digesters and storage tanks These spaces may become hazardous environments that can prove fatal for those unprepared These spaces are governed by OSHA 1910 146 and require a permit before entering This manual applies Hazard Severity Levels to the safety alerts These three levels are described in the sample alerts below CAUTION Cautions identify a potential hazard which if not avoided may result in minor or moderate injury This category can also warn you of unsafe practices or conditions that may cause property damage N WARNING Warnings identify a potentially hazardous condition which if not avoided could result in death or serious injury DANGER DANGER limited to the most extreme situations to identify an imminent hazar
28. exclusive liability is limited to repair or replacement of defective instruments Teledyne Isco is not liable for consequential damages Teledyne Isco will pay surface transportation charges both ways within the 48 contiguous United States if the instrument proves to be defective within 30 days of shipment Throughout the remainder of the warranty period the customer will pay to return the instrument to Teledyne Isco and Teledyne Isco will pay surface transportation to return the repaired instrument to the customer Teledyne Isco will not pay air freight or customer s packing and crating charges This warranty does not cover loss damage or defects resulting from transportation between the customer s facility and the repair facility The warranty for any instrument is the one in effect on date of shipment The warranty period begins on the shipping date unless Teledyne Isco agrees in writing to a different date Excluded from this warranty are normal wear expendable items such as pH sensors charts ribbon lamps tubing and glassware fittings and wetted parts of valves and damage due to corrosion misuse accident or lack of proper maintenance This warranty does not cover products not sold under the Teledyne Isco trademark or for which any other warranty is specifically stated No item may be returned for warranty service without a return authorization number issued by Teledyne Isco This warranty is expressly in lieu of all ot
29. fic level range e Avoidance of obstructions in the flow stream s The submerged probe can still measure level when covered with silt and sand as long as pressure gets through e Ifthe level is a negative value or if you need to toggle between positive and negative in the ADJUST LEVEL menu press the key before entering the numerical value 1 3 720 Submerged Probe Module Section 1 Installation 1 6 Maximum Installation For probe location at distances exceeding 25 feet from the Distances sampler and module Teledyne Isco provides special equipment 1 6 1 Extension Cables To locate the probe more than 25 feet away from the sampler and module use Teledyne Isco s vented 25 or 50 foot extension cables You can combine vented extension cables as long as the total cable length does not exceed 75 feet 1 6 2 Quick Disconnect Box To locate the probe more than 75 feet from the sampler and module use the Submerged Probe Quick Disconnect Box The box increases the maximum distance between the module and the probe to 1 000 feet Figure 1 2 Quick Disconnect Box Cover Removed N WARNING Mounting hardware may have sharp edges Cuts and abrasions are possible Injuries form hardware contaminated by sewage my also becom infected To avoid these hazards Wear leather gloves when handling the hardware Clean the mounting hardware between installations N CAUTION Abusive handling will damage the pressure transducer inside
30. her warranties and obligations and Teledyne Isco specifically disclaims any warranty of merchantability or fitness for a particular purpose The warrantor is Teledyne Isco 4700 Superior Lincoln NE 68504 U S A This warranty applies to the USA and countries where Teledyne Isco does not have an authorized dealer Customers in countries outside the USA where Teledyne Isco has an authorized dealer should contact their Teledyne Isco dealer for warranty service Before returning any instrument for repair please call fax or e mail the Teledyne Isco Service Department for instructions Many problems can often be diagnosed and corrected over the phone or by e mail without returning the instrument to the factory Instruments needing factory repair should be packed carefully and shipped to the attention of the service department Small non fragile items can be sent by insured parcel post PLEASE BE SURE TO ENCLOSE A NOTE EXPLAINING THE PROBLEM Shipping Address Teledyne Isco Attention Repair Service 4700 Superior Street Lincoln NE 68504 USA Mailing Address Teledyne Isco PO Box 82531 Lincoln NE 68501 USA 800 775 2965 lab instruments 866 298 6174 samplers amp flow meters Sales amp General Information 800 228 4373 USA amp Canada Phone Repair service Fax 402 465 3001 Email October 11 2013 P N 60 1002 040 Rev H IscoService teledyne com Zr TELEDYNE ISCO Everywhereyoulook
31. nformation in this regard If you want to measure flow using a gravity flow equation such as the Manning equation you will generally install the probe in the entrance upstream pipe of a manhole If you want to measure flow by calibrating a manhole invert you would probably locate the probe directly in the manhole invert In any case you must determine the appropriate location of the probe based on the hydraulic characteristics of the site and the method of level to flow rate conversion used You do not have to install the submerged probe at the bottom of the flow stream Although the bottom is the normal position the Parameter to Adjust step in the program allows you to mount the probe at any vertical location in the stream and then adjust the indicated level to match the actual level The 720 can indicate negative levels A location other than the bottom of the flow stream may be useful for various reasons to avoid heavy concentrations of silt sand or other solids to make installation easier in tight loca tions to maximize level resolution over a specific level range to avoid hydraulic obstructions in the flow stream etc The probe has several ports through which liquid enters the body to contact the pressure transducer The only way for the probe to malfunction is for all the ports to be completely blocked Most 4 1 720 Submerged Probe Module Section 4 Probe Installation Methods 4 2 Circular Channels 4 2 4
32. nmittelbar drohen den Verletzungsgefahr f r Finger und H nde wenn diese zwischen die beweglichen Teile des gekennzeichneten Ger tes geraten 720 Submerged Probe Module Table of Contents Section 1 Installation 1 1 Introd ction 22 2 2428 alas ken nes en nr ea 1 1 1 2 Connecting to the Sampler 1 0 0 0 cee teens 1 2 1 3 Installation Checklist 0 0 00 e ene 1 2 1 4 Determining the Probe Mounting Location 0 0 c eee ee eee 1 3 1 5 Considerations Before Installing 0 00 teens 1 3 1 6 Maximum Installation Distances 0 1 4 1 6 1 Extension Cables 2 02 02 RRR ee re Fe lern R es 1 4 1 6 2 Quick Disconnect Box 0 ccc eee tenn eens 1 4 Section 2 Programming the Module 2 1 Module Screens sg er en neg e R eee ded ner Sends ad 2 1 2 2 Programmed Enable 0 0 ccc eee eee nent e ne nes 2 1 2 3 Data Storage 3 an ee eee te nee 2 1 2 3 1 Recovering Module Data 0 0c cc eee eens 2 1 2 4 Flow Conversions e eieren sgh seen eo ead ance eee Ge wkend Shad See eos ae Ae et 2 7 2 5 Alternative Flow Measurement Systems 2 22 0 0 00 cece eee eens 2 7 Section 3 About the Submerged Probe 3 1 Principles of Submerged Probe Operation 0 sansun ornan eee eens 3 1 3 1 1 Functionality Under Solids 3 1 3 1 2 Minimum Reliable Detection Level 0 0 cece eee eee 3 2 3 2 Submerged Probe Nose Sections 0 0 eee erare 3 2
33. nverging section If you intend to measure flow by some other means such as a gravity flow equation Manning or by calibrating a section of the flow channel Data Points you will have to determine the best location for the submerged probe Select a location with hydraulic characteristics that are suitable for the method of level to flow rate conversion For more details about the location of the head measuring point refer to the Isco Open Channel Flow Measurement Handbook or to information provided by the manufacturer of the primary device For a list of available level to flow conversions see Section 2 Table 2 1 The probe cable must be routed and secured so it does not collect debris When installing the probe in a pipe or invert mount the probe upstream from the outfall Install the probe where liquid will cover the entire probe The minimum level is approximately 0 1 foot 1 2 inch or 3 0 cm The submerged probe can measure levels less than 0 08 feet 1 inch or 2 5 cm however accuracy in this range is not guaranteed The level can be calibrated with the probe mounted at nearly any depth Operation will be unaffected as long as the liquid covers the probe This allows you to install the probe offset from the bottom which has several advantages e Avoidance of heavy concentrations of silt sand or other solids e Aid in installation in narrow or hard to reach locations e Maximization of level resolution over a speci
34. o s submerged probe Contact the flume manufacturer for details on the special flumes M Note Always install the submerged probe pointing toward normal flow at the head measuring point of the device The location of the measuring point varies with each device Refer to Table 4 1 or to the Isco Open Channel Flow Measurement Handbook Table 4 1 Locating the Head Measuring Point Device Head Measuring Point Weirs Upstream from the weir plate by at least 3 times the maximum head Parshall Flumes TIS of the way into the converging section Palmer Bowlus Upstream from the flume entrance by half the pipe Flumes diameter M Note When installing the probe with custom hardware remember to attach the probe securely to the side or bottom of the flow stream and tie the cable down so that it does not collect debris For many primary measuring device installations the sub merged probe mounting rings or base sections discussed previ ously may be used to mount the probe at the appropriate location In many installations though the mounting rings or bases may not be suitable 4 7 720 Submerged Probe Module Section 4 Probe Installation Methods Round Pipe Sensor Mounting Plate Round Pipe Probe installed from above outside of manhole by using Street Level Installation System Street Level Installation Components x7 u Palmer Bowlus S 1 Handle r Flume 2 Ring Base Bottom Ass
35. ore information on data storage and partition management please refer to your 6700 series sampler instruction manual The stored module data can be collected or viewed as reports Three of the sampler reports can contain module information Please refer to your 6700 series sampler instruction manual for collecting and reading the reports 2 1 720 Submerged Probe Module Section 2 Programming the Module 00 00 01 00 02 00 03 00 04 00 05 00 06 00 07 00 08 00 09 00 10 00 11 00 12 00 10 00 0 00 Hour Ending 12 45 14 49 01 00 02 00 03 00 04 00 05 00 06 00 ETOO 08 00 09 00 10 00 1 1 0 0 12 00 HH HH L Hu QH L HH uu L QH HH L HH Qu L HH HM L Figure 2 1 Summary Report 2 2 Flow Summary Flow at 14 JUN 02 FR FACTORY Site On 14 JUN 02 SUBMERGED PROBE Day s Flow Average Flow Maximum Flow Minumum Flow Rate Rate Rate 638324458 0 678964 Mgal 3 6 Ey 466 cfs 689 cfs 442 cfs Hourly Average Flow Rate NO NO NO NO NO NO NO BEGIN 2 2 2 3 549 747 791 456 08 DATA DATA DATA DATA DATA DATA DATA DATA cfs cfs cfs cfs HHHHHH H HHHH KN 00 Units are 12 00 13 00 5 385 13 00 14 00 6 651 14 00 15 00 2 591 15 00 16 00 1 593 16 00 17 00 END 17 00 18 00 NO 18 00 19 00 NO 19 00 20 00 NO 20 00 21 00 NO 21 00 22 00 NO 22 00 23 00 NO 23 00 24 00 NO Sr n E SK a E
36. ough ports around the outside of the probe The inner face is exposed or referenced to the atmosphere through an internal vent tube that runs the full length of the probe s cable The difference between the pressures exerted on the dia phragm is the hydrostatic pressure The transducer converts the hydrostatic pressure to analog signals The signals are sent to the module through an amplifier Because pressure is proportional to the level of the stream the 720 Module can convert the analog signal to level readings The level readings in turn are converted to flow rates with level to flow rate conversion formulas or tables characteristic of the primary device at the site Bore 0 437 X 0 330 Deep 1 11 X 0 838 cm 0 141 Dia Thru 0 358 cm i 1 Liquid Ports 2 06 cm L 7 249 N Nia EN 000 gt o 22 39 E 18 42 cm 9 38 23 82 cm Figure 3 1 Submerged Probe Dimensions 3 1 1 Functionality Under Solids Consequently the probe will normally continue to function even when covered with several inches of silt or sand Note however that porous solids such as wood chips or other organic material that may swell considerably when soaked in water can interfere with the correct operation of the pressure transducer In extreme cases swelling material can put enough pressure on the dia phragm of the pressure transducer to deform it This will ruin the subme
37. perature 40 to 140 F 40 to 60 C Power Provided by the sampler Level Resolution 0 002 ft 0 0006 m Memory Nonvolatile programmable Flash Can be field updated through the sampler Readings Programmable through sampler at 1 2 5 10 15 and 30 minute intervals All readings are stored in the sampler Weight 0 9 Ibs 0 4 kg Dimensions 4 9 x 5 7 x 2 0 inches 12 4 x 14 5 x 5 1 cm Material Polystyrene Enclosure NEMA 4X and 6 IP67 Table B 2 Technical Specifications for the Submerged Probe Operating Temperature 32 to 160 F 0 to 71 C Storage Temperature 40 to 160 F 40 to 71 C Level Measurement Method Submerged pressure transducer mounted in the flow stream Transducer Type Differential linear integrated circuit pressure transducer Level Measurement Range 0 1 ft to 10 ft 0 03 m to 3 05 m Maximum Allowable Level 20 ft 6 1 m Level Measurement Accuracy 0 033 to 5 0 ft 0 008 ft ft 0 01 to 1 52 m 0 008 m m gt 5 0 ft 0 012 ft ft gt 1 52 m 0 012 m m 77 F 25 C Includes non linearity repeatability and hysteresis but does not include temperature coefficient Compensated Temperature Range 32 to 100 F 0 to 38 C 720 Submerged Probe Module Appendix B Technical Specifications Table B 2 Technical Specifications for the Submerged Probe Continued Temperature Coefficient 0 1 to 4 0 ft 0 005 ft F 0 03 to 1 22 m
38. pproximately 16 to 18 in diameter The 9 0 the smallest extension exists so that in larger pipe sizes where large variations in circumference can occur you can use one or two of these extensions to take up or remove slack to bring the scissors mechanism into a position where it can be effectively tightened Mounting ring kits are available for different pipe sizes A kit is also available for partial pipe applications see your Isco Mounting Rings Installation and Operation Guide For a listing of part numbers and ordering information see Appendix B N CAUTION Do not overtighten the plastic cable ties they should be tight ened just enough to secure the cable in place without greatly indenting the cable Overtightening the plastic ties may col lapse the reference tube in the cable blocking it 4 5 720 Submerged Probe Module Section 4 Probe Installation Methods Scissors Assembly Base Section Tightening the scissors assembly expands the ring to press firmly against the pipe wall securing the ring Figure 4 4 Universal Mounting Ring Adjustment 4 3 Other Mounting Techniques 4 3 1 Rectangular and Trapezoidal Channels Many installations require mounting methods other than mounting rings Some alternative mounting methods are described below Contact Teledyne Isco for assistance in deter mining your specific installation needs A flat anchored mounting plate is a common mounting choice for installing senso
39. rged probe by introducing a permanent offset to the pressure transducer 3 1 720 Submerged Probe Module Section 3 About the Submerged Probe 3 1 2 Minimum Reliable Detection Level 3 2 Submerged Probe 3 2 Nose Sections Standard Nose Section Slanted Nose Flume Cap Section IN M Note Always install the probe where it will be under water even if only an inch or so The probe cannot measure levels that fall below its location in the stream It is important to note that there is a practical minimum water level below which the submerged probe cannot reliably measure level This minimum level is approximately equal to the height of the probe body 0 1 ft 1 3 in or 0 030 m Liquid levels lower than this will be below the levels used to cali brate the sensor The submerged probe level sensor will continue to measure levels less than 0 1 ft however the accuracy of the measurement in this range is not guaranteed Consequently you should always use the submerged probe with caution in very low flow situations Teledyne Isco provides three nose sections each designed for spe cific flow stream conditions A complete list of nose sections and their part numbers can be found in Appendix A Standard Nose Section The standard nose section works in any flow stream and will be installed on your probe unless oth erwise specified in your order It is particularly well suited for flow streams with high velocities be
40. rs in rectangular or trapezoidal channels You can also install the probe in rectangular channels by bending a mounting ring to fit the channel Attach the ring to the channel wall with studs Consult your Isco Mounting Rings Installation and Operation Guide for more information Figure 4 5 Isco Rectangular Mounting Plate 4 6 4 3 2 Stilling Wells or Streams with Very Low Velocity 4 3 3 Securing Probe witha Weighted Plate 4 3 4 Weirs and Flumes 720 Submerged Probe Module Section 4 Probe Installation Methods In flow streams with a minimal flow velocity or in a stilling well simply attach the probe to a weighted plate and submerge the plate in the stream or stilling well In situations with a minimal flow velocity for example in a stilling well you can simply attach the probe to a weighted plate and submerge it in the flow The 720 is generally used with some type of primary measuring device such as a weir or flume The placement of the submerged probe in the primary device is determined by the type of primary device You can use one of Isco s mounting rings to install the probe in many weirs and flumes If the mounting ring are not suitable you must build your own mounting hardware Figure 3 1 shows the dimensions of the probe for your reference when building your own hardware Figure 4 6 shows the probe installed in several primary devices Certain flume manufacturers produce flumes with built in cav ities for Isc
41. sure Not applicable Solubility Insoluble Vapor Density Not applicable Specific Gravity 2 1 Water 1 Evaporation Rate Not available pH 3 8 in 5 slurry Volatiles by volume 21C 70F 0 Section 10 STABILITY amp REACTIVITY Stability The product is stable Hazardous Decomposition Products Oxides of carbon and silicon may be formed when heated Hazardous Polymerization Will not occur Incompatiblity with powerfull oxiders Reacts with hydrogen flouoride fluorine oxygen difluoride chlorine trifluoride strong acids strong bases and oxidizers Conditions to Avoid Moisture extreme heat and incompatibles Section 11 TOXICOLOGICAL INFORMATION Routes of Entry Absorbed through skin Eye contact Inhalation Ingestion Toxicity to Animals LD50 Not available LC50 Not available Section 12 ECOLOGICAL INFORMATION Ecotoxicity This material is not expected to be toxic to aquatic life Section 13 DISPOSAL CONSIDERATIONS Waste Disposal Waste must be disposed of in accordance with federal state and local environmental control regulations Section 14 TRANSPORT INFORMATION DOT Classification Not a DOT controlled material United States Identification Not applicable C 3 720 Submerged Probe Module Appendix C Material Safety Data Sheets MATERIAL SAFETY DATA SHEET Section 15 OTHER REGULATORY INFORMATION HMIS U S A Health Hazard 1 Fire Hazard 0 Reactivity 0 Personal Protection E Nation
42. there is still a possibility of cut ting your hands on the edges 720 Submerged Probe Module Section 4 Probe Installation Methods Compress ring into gap to install in pipe then outward force of ring against pipe wall holds ring in place inside pipe Figure 4 1 Sensor Installed on a Spring Ring Attaching the Sensor to the Ring Attach the probe to the ring either by using two 4 40 x 3 16 coun tersink screws or by snapping the optional probe carrier to the ring This second method of attaching the sensor allows for easy removal in case service is needed later N CAUTION Make sure the slots on the probe carrier are completely pressed onto the tabs on the ring This is particularly important where there is any possibility of reverse flows or where flows are of high velocity If the probe is not fully pressed onto the mounting ring tabs it might come loose in the stream and could possibly be damaged or lost To complete the sensor spring ring assembly procedure attach the sensor cable to the downstream edge of the ring Follow the cable routing shown in Figure 4 1 Other routing directions may affect measurement accuracy The cable can actually create a stilling well downstream from the sensor causing the level to read low Use the self locking plastic ties supplied with the ring Install the ring in the pipe by compressing it Press inward on both sides and slide the ring into the pipe Route the sensor cable out
43. ting hole must be aligned with the grounding point Figure 3 2 Alignment of Grounding Point 3 3 720 Submerged Probe Module Section 3 About the Submerged Probe 3 4 720 Submerged Probe Module Section 4 Probe Installation Methods 4 1 General Mounting Considerations The following sections describe installation of the submerged probe The first section presents general mounting consider ations common to all submerged probe mounting techniques The following sections describe probe installation using the two systems available for mounting the submerged probe in pipes or round bottomed flow streams For pipes up to 15 inches 38 1 cm in diameter spring stainless steel self expanding mounting rings are available For pipes larger than 15 inches in diameter Teledyne Isco offers the Scissors Ring For use in simi larly sized manhole inverts you can use the base and extension sections of the Scissors Ring without the scissors section The straps are held in place by studs installed in the wall of the flow stream using a power activated stud gun Submerged probes are also installed in primary measuring devices The location of the probe in the stream is usually dependent on the flow rate conversion used For example if you are using the probe with a primary measuring device weir or flume there is a specific location for the probe with each primary device The Isco Open Channel Flow Measurement Handbook provides much useful i
44. tion Checklist 1 Check the desiccant cartridge Make sure the desiccant is active blue or yellow in color and remove the red cap Install the module and turn the sampler on Install the submerged probe in the channel Connect the submerged probe s cable to the module Os Rs H Program the sampler and calibrate the module s level read ing o Set up the sampler See details in the sampler manual 7 Run the program M Note You should install the module before turning the controller on When the controller is turned on it looks for a module The controller will not recognize a newly installed module if it is not seen during this power up routine If you install a module while the controller is already on turn the controller off and then on again to reconfigure the controller for use with the module 1 4 Determining the Probe Mounting Location 1 5 Considerations Before Installing 720 Submerged Probe Module Section 1 Installation The location of the submerged probe depends on the method of level to flow rate conversion you are using The probe is usually installed with some type of primary measuring device such as a weir or flume Most primary devices have a specific place for the head level measurement device For example the head mea suring point of a weir is at least three times the expected maximum head upstream from the weir plate For Parshall flumes the measuring point is 3 of the way into the co
45. vice life with a minimum of maintenance Maintaining the probe requires regular cleaning and keeping the desiccant active The submerged probe may require occasional cleaning Because the probe body offers a streamlined profile to the flow solid mate rials rarely collect on its surface However remove debris from the flow stream near the probe periodically to maintain the hydrostatic conditions on which the level to flow conversion is based The probe functions even when covered with silt sand or other solid materials However organic materials may become jammed inside the probe This material swells as it becomes saturated with water and exerts pressure on the diaphragm This can damage the diaphragm permanently disabling the probe If all liquid ports in the probe become blocked or if the diaphragm cavity is packed with material clean the probe This not only pro tects the probe from damage but ensures that the probe responds to the hydrostatic pressure above the probe instead of the pressure created by the swollen material inside the probe To clean the probe 1 Remove the probe and its mounting ring from the flow stream 2 Scrape any accumulated solids off the exterior of the probe Use a brush and flowing water Gently flush the cavities of the probe with water If the ports are thoroughly blocked or if you need to clean the probe for storage 1 Remove the probe nose section by unscrewing the two screws which hold th
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